BillingCityRule example

class BillingCityRuleTest extends TestCase
{
    private BillingCityRule $rule;

    protected function setUp(): void
    {
        $this->rule = new BillingCityRule();
    }

    public function testName(): void
    {
        static::assertSame('customerBillingCity', $this->rule->getName());
    }

    public function testConstraints(): void
    {
        $constraints = $this->rule->getConstraints();